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What is GIS?

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Questions and Answers

What is the primary function of GIS?

To store geographical data in digital format (correct)

To develop new software

To create topographic maps

To collect and display aerial photographs

What type of data can be uploaded to a GIS system?

Very specific data, such as street names, location of sites, and specific dates (correct)

Only data from government and public sector offices

Only street names and location of sites

Only general geographic information

Who plays a crucial role in developing GIS software?

Private users

People (correct)

Government officials

Land planners

What is one way GIS can be used by geographers?

To plan for new settlements Signup and view all the answers

How does digital information in GIS systems increase the amount of information that can be collected?

By dramatically increasing the amount of information that can be collected, stored, analysed and displayed Signup and view all the answers

What is an example of an aerial photographic image?

Aerial photograph Signup and view all the answers

What is the primary purpose of geo-referencing spatial information in GIS?

To accurately locate features on the Earth's surface Signup and view all the answers

What type of aerial photograph is best suited for identifying features?

High oblique aerial photograph Signup and view all the answers

What is the primary difference between a topographic map and an orthophoto map?

Scale Signup and view all the answers

What is the advantage of using orthophoto maps for urban planning?

They are quick and easy to use for updating maps Signup and view all the answers

What is the primary limitation of using orthophoto maps in South Africa?

They are not yet available for the whole of South Africa Signup and view all the answers

What is the purpose of adding contour lines to an orthophoto map?

To provide a sense of the relief of the landscape Signup and view all the answers